PHP 查询MySQL数据库的完整代码,使用时请注意修改连接语句中的用户名与密码。
$link = mysql_connect('localhost', 'root', '123456') //烈火提示:请先修改用户名与密码
or die('Could not connect: ' . mysql_error());
mysql_select_db('ruida') or die('Could not select database');
// 执行 SQL 查询
$query = 'SELECT * FROM product';
$result = mysql_query($query) or die('Query failed: ' . mysql_error());
// 用 HTML 显示结果
echo "
$col_value | \n";
// 释放结果集
mysql_free_result($result);
// 关闭连接 Liehuo.Org
mysql_close($link);
?>

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